App buttons

Create two new buttons to create an new app or copy an existing app

Bug: http://manage.dimagi.com/default.asp?114078
QA: http://manage.dimagi.com/default.asp?126995

![2014-07-30-130937_1600x900_scrot](https://cloud.githubusercontent.com/assets/137212/3813801/40cb7db8-1cb6-11e4-95a6-265c70431469.png)